Medical packaging sterilization protective film

Abstract

The utility model discloses a medical packaging sterilization protective film, which relates to the technical field of medical packaging films and comprises a base material layer, a barrier layer is arranged at the top of the base material layer, a reinforcing layer is arranged at the top of the barrier layer, and an antibacterial layer is arranged at the top of the reinforcing layer. According to the medical packaging sterilization protective film, the barrier property of the protective film is improved through the polyvinylidene chloride film, the ethylene-vinyl alcohol copolymer film, the polyamide film and the nylon film, the protective film has the barrier property and chemical resistance, the mechanical strength is improved, wear resistance and stretching resistance are achieved, the service life of packaging is prolonged, and the safety of packaging is improved; the strength of the protective film is enhanced through the puncture-resistant layer, the dust adsorption is reduced through the anti-static layer, the thermal insulation layer prevents high-temperature deformation, the protective performance is further enhanced, the silver ion membrane is convenient to resist bacteria, a sterilization slow-release agent is arranged in the sterilization coating, the sterilization performance of the protective film is conveniently improved, the silver ion membrane is conveniently protected through the wear-resistant coating, and the service life of the protective film is prolonged. And the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field related to medical packaging films, in particular to a medical packaging sterilization protective film. Background Art

[0002] Film is a thin, soft, transparent sheet. The scientific explanation of film is: a two-dimensional material formed by the deposition of atoms, molecules or ions on the surface of a substrate. Examples include optical films, composite films, superconducting films, polyester films, nylon films, plastic films, etc. Films are widely used in electronics, machinery, printing and other industries. In the medical device packaging process, medical packaging protective films are mostly used for the packaging of disposable preformed sterile medical supplies. Therefore, there is an urgent need for a medical packaging sterilization protective film.

[0003] At present, the barrier properties of ordinary medical packaging sterilization protective films are poor, which makes it difficult to keep pathogens out and affects the sterilization effect. In addition, the protective films are not strong enough and have poor protective properties, which affects the service life. Utility Model Content

[0004] The purpose of the present utility model is to provide a sterilization protective film for medical packaging to solve the problem that the ordinary sterilization protective film for medical packaging proposed in the above background technology has poor barrier performance, is inconvenient to block the bacteria outside, and affects the sterilization effect; and the protective film is not strong enough and has poor protective performance, which affects the service life.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a medical packaging sterilization protective film, comprising a substrate layer, a barrier layer is provided on the top of the substrate layer, a reinforcement layer is provided on the top of the barrier layer, an antibacterial layer is provided on the top of the reinforcement layer, the substrate layer is bonded and fixed to the barrier layer by providing a first adhesive layer, the barrier layer is bonded and fixed to the reinforcement layer by providing a second adhesive layer, and the reinforcement layer is bonded and fixed to the antibacterial layer by providing a third adhesive layer.

[0006] Preferably, the barrier layer comprises a polyvinylidene chloride film, an ethylene-vinyl alcohol copolymer film is provided at the bottom of the polyvinylidene chloride film, a polyamide film is provided at the bottom of the ethylene-vinyl alcohol copolymer film, and a nylon film is provided at the bottom of the polyamide film.

[0007] Preferably, the reinforcement layer includes a puncture-resistant layer, an antistatic layer is provided at the bottom of the puncture-resistant layer, and a heat insulation layer is provided at the bottom of the antistatic layer.

[0008] Preferably, the antibacterial layer comprises a silver ion membrane, the top of the silver ion membrane is coated with a bactericidal coating, and the top of the bactericidal coating is coated with a wear-resistant coating.

[0009] Preferably, the polyvinylidene chloride film, ethylene-vinyl alcohol copolymer film, polyamide film and nylon film are formed into a composite structure by a co-extruder.

[0010] Preferably, the puncture-resistant layer, the antistatic layer and the heat-insulating layer are formed into a composite structure by a co-extruder.

[0011] Preferably, the substrate layer is made of polyester film.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. This medical packaging sterilization protective film uses a polyester film as a base material, and sequentially bonds a barrier layer, a reinforcement layer, and an antibacterial layer via a first adhesive layer, a second adhesive layer, and a third adhesive layer. This improves the stability of the connection and the overall protective performance. The barrier properties of the protective film are enhanced by multiple layers of polyvinylidene chloride film, ethylene-vinyl alcohol copolymer film, polyamide film, and nylon film. The film has barrier properties and chemical resistance, and has improved mechanical strength, wear resistance, and tensile resistance, thereby increasing the service life and safety of the packaging.

[0014] 2. The medical packaging sterilization protective film has a puncture-resistant layer to enhance the strength of the protective film, an antistatic layer to reduce dust adsorption, and a heat-insulating layer to prevent deformation caused by high temperatures, which helps to further enhance the protective performance. The silver ion membrane facilitates antibacterial properties, and a bactericidal sustained-release agent is provided in the bactericidal coating to improve the bactericidal performance of the protective film. The wear-resistant coating provides protection for the silver ion membrane and extends its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the antibacterial layer of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the reinforcement layer of the present invention;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the barrier layer of the present invention.

[0019] In the figure: 1. Base material layer; 2. Barrier layer; 201. Polyvinylidene chloride film; 202. Ethylene-vinyl alcohol copolymer film; 203. Polyamide film; 204. Nylon film; 3. Reinforcement layer; 301. Puncture-resistant layer; 302. Antistatic layer; 303. Thermal insulation layer; 4. Antibacterial layer; 401. Silver ion membrane; 402. Bactericidal coating; 403. Wear-resistant coating; 5. First adhesive layer; 6. Second adhesive layer; 7. Third adhesive layer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides a technical solution: a medical packaging sterilization protective film, comprising a substrate layer 1, the substrate layer 1 is made of polyester film, a barrier layer 2 is provided on the top of the substrate layer 1, a reinforcement layer 3 is provided on the top of the barrier layer 2, and an antibacterial layer 4 is provided on the top of the reinforcement layer 3. The substrate layer 1 is bonded and fixed to the barrier layer 2 by setting a first adhesive layer 5, the barrier layer 2 is bonded and fixed to the reinforcement layer 3 by setting a second adhesive layer 6, and the reinforcement layer 3 is bonded and fixed to the antibacterial layer 4 by setting a third adhesive layer 7. The polyester film is used as the substrate, and the barrier layer 2, the reinforcement layer 3 and the antibacterial layer 4 are bonded in sequence by the first adhesive layer 5, the second adhesive layer 6 and the third adhesive layer 7, which facilitates improving the stability of the connection and improving the overall protection performance.

[0022] The barrier layer 2 includes a polyvinylidene chloride film 201, an ethylene-vinyl alcohol copolymer film 202 is provided at the bottom of the polyvinylidene chloride film 201, a polyamide film 203 is provided at the bottom of the ethylene-vinyl alcohol copolymer film 202, and a nylon film 204 is provided at the bottom of the polyamide film 203. The polyvinylidene chloride film 201, the ethylene-vinyl alcohol copolymer film 202, the polyamide film 203 and the nylon film 204 are formed into a composite structure through a co-extruder. The barrier properties of the protective film are multiplexed by the polyvinylidene chloride film 201, the ethylene-vinyl alcohol copolymer film 202, the polyamide film 203 and the nylon film 204 to improve the barrier properties of the protective film, so that the film has barrier properties and chemical resistance, improves mechanical strength, wear resistance and tensile resistance, and facilitates improving the service life and safety of the packaging.

[0023] The reinforcing layer 3 includes a puncture-resistant layer 301, an antistatic layer 302 is provided at the bottom of the puncture-resistant layer 301, and a thermal insulation layer 303 is provided at the bottom of the antistatic layer 302. The puncture-resistant layer 301, the antistatic layer 302 and the thermal insulation layer 303 are formed into a composite structure by a co-extruder, and the antibacterial layer 4 includes a silver ion membrane 401, the top of the silver ion membrane 401 is coated with a bactericidal coating 402, and the top of the bactericidal coating 402 is coated with a wear-resistant coating 403. The puncture-resistant layer 301 enhances the strength of the protective film, the antistatic layer 302 reduces dust adsorption, and the thermal insulation layer 303 prevents deformation at high temperatures, which helps to further enhance the protective performance. The silver ion membrane 401 facilitates antibacterial properties, and the bactericidal coating 402 is provided with a bactericidal sustained-release agent to improve the bactericidal performance of the protective film. The wear-resistant coating 403 provides protection for the silver ion membrane 401 and extends its service life.

[0024] Working principle: First, polyester film is used as the base material, and the barrier layer 2, the reinforcement layer 3 and the antibacterial layer 4 are bonded in sequence through the first adhesive layer 5, the second adhesive layer 6 and the third adhesive layer 7, so as to improve the stability of the connection and the overall protection performance. The barrier performance of the protective film is multiplexed and improved by the polyvinylidene chloride film 201, the ethylene-vinyl alcohol copolymer film 202, the polyamide film 203 and the nylon film 204. It has barrier properties and chemical resistance, improves mechanical strength, wear resistance and tensile resistance, and is convenient for improving the service life and safety of the packaging. The strength of the protective film is enhanced by the puncture-resistant layer 301, the antistatic layer 302 reduces dust adsorption, and the thermal insulation layer 303 prevents deformation at high temperature, which helps to further enhance the protection performance. The silver ion membrane 401 is used for antibacterial purposes, and the bactericidal coating 402 is provided with a bactericidal sustained-release agent to improve the bactericidal performance of the protective film. The wear-resistant coating 403 is convenient for providing protection for the silver ion membrane 401 and is convenient for extending the service life. In this way, the operation process of a sterilization protective film for medical packaging is completed.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical packaging sterilization protective film, characterized in that: The invention comprises a substrate layer (1), a barrier layer (2) is arranged on the top of the substrate layer (1), a reinforcement layer (3) is arranged on the top of the barrier layer (2), an antibacterial layer (4) is arranged on the top of the reinforcement layer (3), the substrate layer (1) is bonded and fixed to the barrier layer (2) by arranging a first adhesive layer (5), the barrier layer (2) is bonded and fixed to the reinforcement layer (3) by arranging a second adhesive layer (6), and the reinforcement layer (3) is bonded and fixed to the antibacterial layer (4) by arranging a third adhesive layer (7).

2. The medical packaging sterilization protective film according to claim 1, characterized in that: The barrier layer (2) comprises a polyvinylidene chloride film (201), an ethylene-vinyl alcohol copolymer film (202) is provided at the bottom of the polyvinylidene chloride film (201), a polyamide film (203) is provided at the bottom of the ethylene-vinyl alcohol copolymer film (202), and a nylon film (204) is provided at the bottom of the polyamide film (203).

3. The medical packaging sterilization protective film according to claim 1, characterized in that: The reinforcement layer (3) comprises a puncture-resistant layer (301), an antistatic layer (302) is provided at the bottom of the puncture-resistant layer (301), and a heat-insulating layer (303) is provided at the bottom of the antistatic layer (302).

4. The medical packaging sterilization protective film according to claim 1, characterized in that: The antibacterial layer (4) comprises a silver ion membrane (401), the top of the silver ion membrane (401) is coated with a bactericidal coating (402), and the top of the bactericidal coating (402) is coated with a wear-resistant coating (403).

5. The medical packaging sterilization protective film according to claim 2, characterized in that: The polyvinylidene chloride film (201), the ethylene-vinyl alcohol copolymer film (202), the polyamide film (203) and the nylon film (204) are formed into a composite structure through a co-extruder.

6. The medical packaging sterilization protective film according to claim 3, characterized in that: The puncture-resistant layer (301), the antistatic layer (302) and the heat-insulating layer (303) are formed into a composite structure by a co-extruder.

7. The medical packaging sterilization protective film according to claim 1, characterized in that: The material of the substrate layer (1) is set to be a polyester film.

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